https://devzone.nordicsemi.com/f/nordic-q-a/68258/on-a-nrf52832-what-are-the-chances-of-spontaneous-flash-corruptionI&#39;m working on a risk analysis, and need to understand the likelihood of a spontaneous change of values stored in flash, along with what usage patterns most affect that. The primary usage pattern I&#39;m looking at involves writing a page out, then readingen-USTelligent Community 13Tue, 17 Nov 2020 17:52:10 GMThttps://devzone.nordicsemi.com/thread/280448?ContentTypeID=1Tue, 17 Nov 2020 17:52:10 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0bc1f24e-f837-4c16-8ef3-0494ea9ae937Don Garrett<p>Thanks!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/280369?ContentTypeID=1Tue, 17 Nov 2020 13:22:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c69a5e9a-0a4f-4a84-986b-e556c8516c91Susheel Nuguru<p>Hi,</p> <p>I am sorry, I was wrong. It is not just the writing It is also the read cycle that has retention limits. It is given <a href="https://infocenter.nordicsemi.com/index.jsp?topic=%2Fcom.nordic.infocenter.nrf52832.ps.v1.1%2Fabs_max_ratings.html&amp;cp=4_2_0_4&amp;anchor=abs_max_ratings">here</a></p> <p>We do not know the odds of failure, as this qualification data comes from the production line and there is no more info provided than this.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/280190?ContentTypeID=1Mon, 16 Nov 2020 17:02:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:06fd869d-ae6d-4c1b-8cb6-a2e7ce17622aDon Garrett<p>Yes, but what the the odds that it won&#39;t? 1/1,000,000? 1/10,000,000?</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/280052?ContentTypeID=1Mon, 16 Nov 2020 09:02:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:40f962a2-cf2c-4dd9-8126-f6139d450356Susheel Nuguru<p>The retention of contents of the data is qualified for 10 years, so if you write once and read it back every one minute for 10 years, then it is still under the qualified range and should work as intended.&nbsp;</p><div style="clear:both;"></div>